Home / 879,856,208.62-1,320,106,166.83-827,877,293.03

Finding the Fourth Proportional to 879,856,208.62, 1,320,106,166.83 and 827,877,293.03

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Solution

The fourth proportional to 879,856,208.62, 1,320,106,166.83 and 827,877,293.03 is: 1,242,118,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,856,208.62 : 1,320,106,166.83 = 827,877,293.03 : x
  2. Step 2: Convert to fraction form
    879,856,208.62/1,320,106,166.83 = 827,877,293.03/x
  3. Step 3: Cross multiply
    879,856,208.62x = 1,320,106,166.83 × 827,877,293.03
  4. Step 4: Simplify right side
    879,856,208.62x = 1,092,885,919,907,429,888
  5. Step 5: Solve for x
    x = 1,092,885,919,907,429,888/879,856,208.62
  6. Step 6: Final answer
    x = 1,242,118,779.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.